Subaru Impreza 3 / Impreza WRX / Impreza WRX STI. Manual - part 456
6MT(diag)-35
Diagnostics with Phenomenon
MANUAL TRANSMISSION AND DIFFERENTIAL (DIAGNOSTICS)
DCCD AUTO mode display does not illuminate.
• Mode change switch
• Combination meter
• DCCD control module
• Body integrated unit
• CAN communication signal
Will not become differential free or remains differential free.
• Parking brake switch
• Center differential
• Mode change switch
• C.DIFF +/– switch
• Rear differential
• Tire/Wheel
• DCCD relay
• Rear differential oil temperature switch
• DCCD control module
• ECM
• Body integrated unit
• VDCCM&H/U
• Yaw rate & G sensor
• CAN communication signal
ABS does not operate.
• VDCCM&H/U
• CAN communication signal
• Stop light switch
• DCCD control module
• ECM
• Body integrated unit
• Yaw rate & G sensor
Will not lock the differential or the differential is continually
locked.
• VDCCM&H/U
• ABS wheel speed sensor
• CAN communication signal
• Center differential
• C.DIFF +/– switch
• Mode change switch
• Tire/Wheel
• DCCD control module
• DCCD relay
• ECM
• Body integrated unit
• Yaw rate & G sensor
Symptoms
Faulty parts